101020102 has 4 divisors (see below), whose sum is σ = 151530156. Its totient is φ = 50510050.

The previous prime is 101020097. The next prime is 101020111. The reversal of 101020102 is 201020101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×101020102² = 20410122016180808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25255024 + ... + 25255027.

It is an arithmetic number, because the mean of its divisors is an integer number (37882539).

Almost surely, 2^101020102 is an apocalyptic number.

101020102 is a deficient number, since it is larger than the sum of its proper divisors (50510054).

101020102 is an equidigital number, since it uses as much as digits as its factorization.

101020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50510053.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 101020102 is about 10050.8756832427. The cubic root of 101020102 is about 465.7318448382.

Adding to 101020102 its reverse (201020101), we get a palindrome (302040203).

Subtracting 101020102 from its reverse (201020101), we obtain a palindrome (99999999).

It can be divided in two parts, 1010 and 20102, that added together give a palindrome (21112).

The spelling of 101020102 in words is "one hundred one million, twenty thousand, one hundred two".